DIFFERENTIAL PRESSURE SENSOR FOR FILTER MONITORING

The present inventors devised, among other things, exemplary differential pressure sensors suitable for use in a wide-variety filter-monitoring applications. One exemplary sensor, which operates in any physical orientation and consist of snap-together components that require no post-assembly adjustm...

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Bibliographische Detailangaben
Hauptverfasser:	BERRY CHARLES H, LOCKERT MICHAEL J
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING COMBUSTION ENGINES HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS LIGHTING MEASURING MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER,MECHANICAL EFFICIENCY, OR FLUID PRESSURE MECHANICAL ENGINEERING PHYSICS SUPPLYING COMBUSTION ENGINES IN GENERAL, WITH COMBUSTIBLEMIXTURES OR CONSTITUENTS THEREOF TESTING WEAPONS
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Beschreibung
Zusammenfassung:	The present inventors devised, among other things, exemplary differential pressure sensors suitable for use in a wide-variety filter-monitoring applications. One exemplary sensor, which operates in any physical orientation and consist of snap-together components that require no post-assembly adjustment, includes a diaphragm assembly, a magnet, and a magnetic sensor. The diaphragm moves in response to differential pressures exceeding a predetermined threshold difference, and the magnet which is physically coupled to the diaphragm assembly moves relative to a magnetic sensor. The magnetic sensor senses movement of the magnet and produces a signal that can be correlated by a computer or other circuitry to determine whether a filter is overly clogged and thus requires replacement.